Home / 31,298.01-43,190.96-16,957.51

Finding the Fourth Proportional to 31,298.01, 43,190.96 and 16,957.51

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Solution

The fourth proportional to 31,298.01, 43,190.96 and 16,957.51 is: 23,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,298.01 : 43,190.96 = 16,957.51 : x
  2. Step 2: Convert to fraction form
    31,298.01/43,190.96 = 16,957.51/x
  3. Step 3: Cross multiply
    31,298.01x = 43,190.96 × 16,957.51
  4. Step 4: Simplify right side
    31,298.01x = 732,411,136.11
  5. Step 5: Solve for x
    x = 732,411,136.11/31,298.01
  6. Step 6: Final answer
    x = 23,401.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.